odds vs odds vs... equity?

[Songwind]

Also, if your turn card is a flush, don't forget that in addition to your 9 spades for the flush, any 5, 6, 7, or A gives you Aces full or better, which beats the flush.

Your # of outs went up to 19. (3 each for the board to pair the low cards, 1 ace, and 9 flush cards.)